Xia Longqi, a social beast who travels through the world of Ultraman Zeta, encounters the raging ancient monster Gomes. In a desperate situation, he is bound to the god-level card system and receives the Imperial Cavalry Driver, unlocking cross-border cards and plundering abilities. Faced with the crisis of monsters crushing mortals, he transformed into Kamen Rider Ryuki, used the mirror world to save Haruki, and used his unparalleled dragon and dragon blade to fight against the giant beasts. From then on, he used the power of a knight to explore the Ultrahigh-dimensional monster plane and start a cross-border conquest.
